From a2d52669aa19f2e3e07d445f8421945d3855b085 Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Mon, 6 Apr 2020 10:44:42 +0200
Subject: [PATCH] shared/strbuf: add nm_str_buf_ensure_trailing_c() helper
 function

---
 shared/nm-glib-aux/nm-str-buf.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/shared/nm-glib-aux/nm-str-buf.h b/shared/nm-glib-aux/nm-str-buf.h
index 564f91c4b5..5701fcdee2 100644
--- a/shared/nm-glib-aux/nm-str-buf.h
+++ b/shared/nm-glib-aux/nm-str-buf.h
@@ -129,6 +129,16 @@ void nm_str_buf_append_printf (NMStrBuf *strbuf,
                                const char *format,
                                ...) _nm_printf (2, 3);
 
+static inline void
+nm_str_buf_ensure_trailing_c (NMStrBuf *strbuf, char ch)
+{
+	_nm_str_buf_assert (strbuf);
+
+	if (   strbuf->len == 0
+	    || strbuf->_str[strbuf->len - 1] != ch)
+		nm_str_buf_append_c (strbuf, ch);
+}
+
 /*****************************************************************************/
 
 /**